# CVE-2026-69525: Microsoft Windows Remote Desktop Services use-after-free

Source: https://junglewise.ai/threats/cve-2026-69525-microsoft-windows-remote-desktop-services-use-after-free  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-09-08. Updated: 2026-09-26  
License: CC BY 4.0 with a link back

CVE-2026-69525 · Severity: critical · CVSS 9.8 · Published 2026-09-08

Windows Remote Desktop Services (RDS) is a Microsoft system component that enables remote access to servers and desktops. A use-after-free vulnerability allows an unauthorized attacker to execute arbitrary code over the network without authentication, potentially compromising an entire system or organizational network.

Technologies: [Microsoft Windows Remote Desktop Services](https://junglewise.ai/threats/technologies/windows-remote-desktop-services). Vendors: [Microsoft](https://junglewise.ai/threats/vendors/microsoft).

## Quick answers

**Is CVE-2026-69525 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-69525 being exploited in the wild.

**How severe is CVE-2026-69525?** Critical severity, with a CVSS score of 9.8, published 8 September 2026.

**Which products and versions are affected?** Microsoft Windows Remote Desktop Services <UNKNOWN>.

**Is there a fix for CVE-2026-69525?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-69525 attacked?** It is attacked over the network, in an operating system.

**Am I affected by CVE-2026-69525?** Check whether you run Microsoft Windows Remote Desktop Services at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability is a use-after-free flaw in Windows Remote Desktop Services, a memory safety issue where freed memory is accessed after deallocation, leading to arbitrary code execution. The vulnerability is reachable over the network without requiring prior authentication or user interaction. An attacker can exploit this remotely to gain code execution with the privileges of the RDS service, potentially enabling system compromise, lateral movement, or persistence mechanisms. Patches are available from Microsoft's security update guides.

## Affected products

- Microsoft Windows Remote Desktop Services <UNKNOWN>

## Timeline

- 2026-09-08: disclosed

## References

- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69525](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69525)

## Related threats

- [Windows Remote Desktop Services double free privilege escalation](https://junglewise.ai/threats/cve-2026-119957-double-free-in-windows-remote-desktop-services-allows-an)
- [Microsoft Windows Remote Desktop Services use-after-free RCE](https://junglewise.ai/threats/cve-2026-69992-use-after-free-in-windows-remote-desktop-services-allows-an)
- [Microsoft Windows Remote Desktop Services out-of-bounds read](https://junglewise.ai/threats/cve-2026-80096-microsoft-windows-remote-desktop-services-out-of-bounds-read)
- [Microsoft Windows Remote Desktop Services use-after-free](https://junglewise.ai/threats/cve-2026-69539-microsoft-windows-remote-desktop-services-use-after-free)
- [Microsoft Windows Remote Desktop Services use-after-free](https://junglewise.ai/threats/cve-2026-69536-microsoft-windows-remote-desktop-services-use-after-free)